Private Sphere/Security
37
Step by Step
Locking Another Telephone to Prevent
Unauthorized Use
If this function has been configured (contact the service
personnel), you can lock other telephones to prevent
unauthorized use, and later unlock them again.
You can use this function to unlock the telephone for us-
ers who have locked their telephones and then forgot-
ten their PINs.
n Lift the handset.
qmhg Enter the code.
o Enter the internal number of the telephone that you
want to lock or unlock.
q Enter the code for "Changeover on".
or
r Enter the code for "Changeover off".
Saving Your PIN
To use the functions
• to prevent unauthorized persons from using your
telephone Æ Page 36
• to use another telephone like your own Æ Page 39
• to change your call number Æ Page 40
you need to enter a personal identification number,
which you can save yourself.
n Lift the handset.
qmg Enter the code.
o Enter the current five-digit PIN.
If you have not yet assigned a PIN, use the PIN "00000"
the first time you enter it.
o Enter the new PIN.
o Repeat the new PIN.
If you forget your PIN, contact the service per-
sonnel, who can reset your PIN to "00000".
An authorized party Æ Page 37 can also lock and
unlock your telephone.
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